please solve this problem and explain step by step as to how you got the answer

ant E Paragraph Styles 12. At February 1, 2019, Silver Company had beginning inventory consisting of 100 units with a unit cost of $5. During February, the company purchased inventory as follows: 600 units at $6 800 units at $7 The company sold 1.100 units during the month for $10 per unit. Silver uses the average cost method. The value of Silver's inventory at February 28, 2019 is a. $2,400. b. $4,425 c. $5,500 d. $6,600